External pulse generator



FIG. 1 is a front perspective view of the external pulse generatorshowing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines illustrate features of the external pulse generatorthat form no part of the claimed design.

CLAIM The ornamental design for an external pulse generator, as shownand described.